1 files changed, 8 insertions, 0 deletions
diff --git a/source/blender/makesdna/DNA_modifier_types.h b/source/blender/makesdna/DNA_modifier_types.h
index 918b4a2a7ea..1b0b3d9e08e 100644
--- a/source/blender/makesdna/DNA_modifier_types.h
+++ b/source/blender/makesdna/DNA_modifier_types.h
@@ -1862,8 +1862,16 @@ typedef struct WeldModifierData {
   unsigned int max_interactions;
   /* Name of vertex group to use to mask, MAX_VGROUP_NAME. */
   char defgrp_name[64];
+
+  short flag;
+  char _pad[6];
 } WeldModifierData;
 
+/* WeldModifierData->flag */
+enum {
+  MOD_WELD_INVERT_VGROUP = (1 << 0),
+};
+
 typedef struct DataTransferModifierData {
   ModifierData modifier;